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V-number tonnage drive manufacturer. type used with publication associated with V-1 trailer: 1-ton: 1 axle: unknown: antenna mount: PE-141: AN/CRN-2 V-2 trailer
The OE-349 Antenna Mast Group (AMG) is mounted on an M927 5-Ton Cargo Truck. It includes four 4 kW antennas in two pairs on remotely controlled masts. Emplacement of the AMG can have no greater than a 0.5-degree roll and a 10-degree crossroll. The antennas can be controlled in azimuth, and the masts can be elevated up to 100 feet 11 inches (30. ...
A gin pole used to install a weather vane atop the 200-foot steeple of a church Roof trusses being assembled with gin poles. The gin pole is derived from a gyn, and considered a form of derrick, called a standing derrick or pole derrick, [2] distinguished from sheers (or shear legs) by having a single boom rather than a two-legged one.
The largest was the M945 used to mount the so-called "Bat Wing" body Shop Equipment Organizational Repair Truck Mounted (SEORTM), the Antenna Mast section of Patriot Missile Batteries, and with oversized 14:00 R20 tires as a transporter to carry and launch Improved Ribbon Bridge sections and Bridge Erection Boats. [4] [15]
The antenna must be very large at the VLF frequencies used; the supporting masts are 250–300 metres (820–980 ft) high, and the topload is about 1,900 metres (6,200 ft) in diameter. The trideco antenna was developed for high power naval transmitters, which transmit on frequencies between 15 and 30 kHz at powers up to 2 megawatts, to ...
The antenna used for broadcasting through the 1920s was the T-antenna, which consisted of two masts with loading wires on top, strung between them, requiring twice the construction costs and land area of a single mast. [2] (pp 77–78) In 1924 Stuart Ballantine published two historic papers which led to the development of the single mast antenna.
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